Sad-iron.



--H. 0. NEEL & J. B. HATFIELD.- SAD IRON.

APPLICATION FILED JAN. 27, 1911.

1,019,181, Pat :ented Mar. 5, 1912.-

- 1r 33 i 24 Z1 fnvenlors:

6M ga COLUMBIA PLANOORAPH cO., WASHINGTON. D. C. 1

SAD-IRON.

Specification of Letters Patent.

Patented Mar. 5, 1912.

Application filed January 27, 1911. Serial No. 605,065.

To all whom it may concern:

Be it known that we, HARRY C. NEEL, a resident of Dravosburg, in thecounty of Allegheny and State of Pennsylvania, and JOHN B. HATFIELD, aresident of Alexandria, in the county of Huntingdon, in said State ofPennsylvania, have invented a new and useful Improvementin Sad-Irons;and we do hereby declare the following to be a full, clear, and exactdescription thereof.

Our invention relates to sad irons, and has special reference to suchirons known as self heating irons which are adapted to generate the heatdesired for the same when in use.

The object of our invention is to provide a cheap, simple and eff cientmetallic sad iron, which will enable the heat from gener ating fluidcarried thereby, such as alcohol, to be regulated to give the desiredheat to the iron when or when not in use, will assist in preventing suchfluid from being forced or ejected into the auxiliary heat generatorfrom the storage or generator tank carrying such fluid for heating, willprovide for such auxiliary generator being in the proper position foroperating, as well as the starting dish to be in proper position withrelation to the burner employed, and will enable all the parts of theiron to be so arranged as to give the best results in this class ofirons, while at the same time such arrangement will permit the parts ofthe iron to be easy of access for handling in the operation and fortheir removal in case of repairs or any other purpose.

To these ends our invention consists, generally stated, in the novelarrangement, construction and combination of parts, as hereinafter morespecifically set forth and described and particularly pointed out in theclaims.

To enable others skilled in the art to which our invention appertains toconstruct and use our improved sad iron, we will describe the same morefully, referring to the accompanying drawing, in which Figure 1 is alongitudinal central section of our improved sad iron. Fig. 2 is acrosssection of the same on the line 22, Fig. 1, looking in thedirection of the arrows. Fig. 3 is a rear end view of the same. Fig. 4is a perspective view of one of the tank disks.

tion.

Like symbols of reference herein indicate like parts in each of thefigures of the drawing.

As illustrated in the drawing, 1 represents the base or body of ourimproved sad iron, which is hollow to form the heating or combustionchamber 2 therein, and is provided with a series of lugs or projections3 in such chamber and extending up from the bottom 4 of said body. Thesides 5 of the body 1 have a series of vent holes 6 at the upper edgesof the same, and extending over the chamber 2 and upper edges of saidsides and front end 1 on said body is the cover plate or lid 7, which,is slidably movable over the lid 7 is the heat conducting block orregulator 9, which is preferably square in cross-section and slidablymounted on said lid by means of screw-pins 10 engaging with the same andextending down from the bottom of said regulator so as to pass throughslots 11 in said lid and be held therein by means of heads 12 at thelower ends of said pins. Above the regulator 9 is the auxiliary vaporgenerator 13, which is in the form of a hollow tube, preferably squarein crosssection and of substantially the same crosssectional area assaid regulator. This generator 13 is provided with a screw cap 11 at itsfront end, and adjacent to said end and leading from a nipple 13 on thetop of said generator is the outlet tube 15, which extends up verticallytherefrom and opens into the generating and storage tank 16 for theoperating fluid above said generator by its forwardly curved upper end15, while such generator is held in position at such front end of thesame by such nipple passing through the bottom of said tank and engagingwith the same by a threaded connec The tank 16 is circular incross-section and is provided with the caps 17 and 17 at each end of thesame, to which it is connected in an air and gas tight manner,preferably by a welded joint, the front cap 17 being provided with afilling tube 18 extending into said tank and closed by the usualthreaded plug 19. The front supporting plate 20 extends around the tank16 and is secured at its lower end to the front end 1 of the body 1 bythe screws 20,while a rear supporting plate 21 is adapted to beconnected to the rear cap 17 by a screw 21 centrally of the same and tothe base or bottom 4 by the screws 21.

Within the chamber 2 is the burner 22,

which is preferably circular in cross-section Fitting against the rearplate 21 is the' vertical carbureter 26, which is detachably connectedto the lower end of said plate by means of the screws 26, which alsopass into the lugs 23 on the burner 22 to support said burner at itsrear end, and such carbureter is provided with a valve chamber 27 at itsupper end having a passageway 28 leading therefrom into the generator 13through a nipple 29 on said carbureter, to which said generator isremovably connected by the threaded connection 29 to support the rearend of the same. A carbureter chamber 30 is formed in the carbu reter 26below the chamber 27, which opens to the atmosphere by the air opening31 at the upper end of the said carbureter chamber, and has an opening32 adjacent to the bottom of the same for leading into the burner 22. Ascrew-plug 33 fits within the lower end or bottom of the chamber 30 toclose the same, and a needle valve 34 fits within an opening 34 in thebottom of the chamber 27 and above the chamber 30 and air opening 31therein, which valve is pro vided with the threaded vertical rod 35thereon for engaging with the wall 35 of the carbureter 26 above thechamber 27, and is provided with a handle or wheel 36 at its upper endfor raising and lowering said valve in the feeding of the gas from thegenerator 13 to the chamber 30. v

A handle 37 is secured between the upper ends of the supports 20 and 21by the bolt 38 passing through the same.

Within the tank 16 are a series of circular portions or disks 40 whichare set in a ver tical line so as to divide said tank into a series ofcompartments 41, which disks are secured to the wall of said tank in anysuitable manner through the flanges 40 thereon, while the topsandbottoms of said disks are provided with holes 42 and 42 respectivelytherein to permit the flow of the fluid through the same from one of thecompart- 1nents41 to the other, andlat the same time such disks willassist to prevent any entrance ,of the fluid into the outlet pipe 15through its curved end 15 in the backward and forward movement of theiron when in use.

The operation of our improved sad iron is as followsThe iron is stood onits end,

7 and with the plug 19 removed from the filling-tube 18, the fluid, suchas alcohol, is

poured through such tube into the tank 16, to fill such tank to theinner end of said tube, after which such plug is replaced in such tubeand the iron is set upon its base or bottom 4 for operating. With thelid 7 removed from over the chamber 2 on its pivot 8, the priming orstarting dishes 25 in said chamber are filled with the fluid andignited, whereupon the fluid in the tank 16 is heated by the flame fromsaid dishes, so that the vapor from such fluid as gener ated will passdown through the tube 15 and into the auxiliary generator 13, where suchvapor is also heated by said flame, and after the fluid in said disheshas been exhausted, such lid is returned to position over said chamber.The tank 16 being now heated will continue to emit vapor through thetube 15 to the generator 13, which vapor then passes from said generatorthrough the passageway 23 and valve opening 34 into the carburetingchamber 30, where it mixes with the air entering the opening 31 and suchmixture will then pass through the opening 32 into the burner 22. Afterthe mixture has entered the burner 22 it is ignited by a flame and suchflame therefrom is directed into the chamber 2 and downward against thebase or bot-tom 4 of the iron through the perforations 22 in saidburner. The amount of vapor entering the chamber 30 from the generator13 is regulated by the needle valve 34, which extends into the opening34 leading to said chamber and is operated by the handle 36 connected tothe rod 35 of said valve, while the amount of heat required or necessaryto the tank in the proper operation of the iron is regulated 1 11 ofsaid lid, as shown by the full and dotted lines in Fig. 2. Thisregulation is effected by the fact that when the regulator 9 is in aposition such as shown by full lines in Fig. 2 there will be practicallya direct metal path from the lid 7 to the generator 13 for conductingthe heat to such generator, while if the regulator is in the positionshown by dotted lines in said figure, there willbe a free circulation ofatmospheric air between such lid and generator and thus less heat willbe conducted to such generator.

Various modifications and changes in the design and operation of ourimproved sad iron may be resorted to without departing from the spiritof the invention or sacrificing any of its advantages.

It will thus be seen that our improved sad iron will be so arranged thatall parts of the same can be removed or separated for the purpose of theiron being kept clean at all times, while the construction of the ironwill also enable any of the fluid in the tank entering the vapor supplytube to the auxiliary generator to be vaporized, and the heat which thefluid in the storage tank receives will be thoroughly regulated at alltimes, so that the vaporization of the fluid contained in such tank willbe completely controlled by the moving of the regulator from side toside, as may be desired and the overheating of the fluid in the tankprevented thereby. The construction of the storage tank will alsoovercome all liability of the usual wave motion of the fluid thereinfrom one end to the other in the reciprocating operation of the iron, inwhich motion the fluid was liable to enter the vapor supply pipe, andwill enable such wave motion to be broken up into a series of wavemotions within each of the compartments.

What We claim as our invention and desire to secure by Letters Patentis- 1. A seltheating sad iron comprising a body or base provided with acombustion chamber therein, a burner within said chamber, a storage tankfor the fluid and generation of the vapor therein above said body, anauxiliary generator connected to said burner and tank and positionedbetween said tank and the top of said chammovable means between the topof said chamber and said generator for regulating the amount of heat tosaid tank.

2. A self-heating sad iron comprising a body or base provided with acombustion chamber therein, a burner within said chamber, a storage tankfor the fluid and generation of the vapor therein above said body, anauxiliary generator connected to said burner and tank and positionedbetween said tank and the top of said chamber, and movable means betweenthe top of said chamber and said generator for regulating the amount ofheat to said tank.

3. A self-heating sad iron comprising a body or base provided with acombustion chamber therein, a burner within said chamber, a storage tankfor the fluid and generation of the vapor therein above said body, anauxiliary generator connected to said burner and to said tank andpositioned under said tank, a movable lid fitting over the top of saidchamberv and under said generator, and a regulator connected to said lidand adapted to be positioned under or away from said generator toregulate the amount of heat to said tank.

4. A self-heating sad iron comprising a body or base provided with acombustion chamber therein, a burner within said chamber, a storage tankfor the fluid and genera tion of the vapor therein above said body, anauxiliary generator connected to said burner and to said tank andpositioned under said tank, a movable lid fitting over the top of saidchamber and under said generator, and a regulator having a pin andslot-ted connection with said lid for being positioned under or awayfrom said generator to regulate the amount of heat to said tank.

5. A self-heating sad iron comprising a body or base provided withachamber therein, a burner within said chamber, a tank for the fluid andgeneration of the same above said body, an auxiliary generator connectedto said chamber and tank, and partitions within said tank for dividingthe same into compartments and provided with holes in their tops andbottoms for the passage of the fluid through the same.

' In testimony whereof, We, the said HARRY C. NEEL and JOHN B. HATFIELD,have hereunto set our hands.

HARRY C. NEEL.

JOHN B. HATFIELD.

Witnesses: HAZEL WIBERLY, J. N. Cooxn.

Gopies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. G.

